/* h1 {
    position: relative;
    text-shadow: 1px 0 4px #006;
    font-family: Airal;
    }
 h1 p {
    position: absolute;
    top: 0; 
    z-index: 2;
    color: #f36902;
    -webkit-mask-image: -webkit-gradient(linear, left top,left bottom, from(rgba(0,0,0,1)), to(rgba(0,0,0,0)));
    text-descoration: none;
    color: #fff; text-shadow:0 0 5px #CCCCCC, 0 0 10px #CCCCCC, 0 0 15px #CCCCCC, 0 0 20px #095816, 0 0 25px #095816, 0 0 30px #095816, 0 0 50px #095816, 0 0 80px #095816, 0 0 100px #095816, 0 0 150px #095816著作权归作者所有。

    }
 h1:after {
    content: "";
    color: #000;
    text-shadow: 1px 1px 1px #600;
}*/
body {
  font-family:'Microsoft YaHei';
}
p {
    font-family:'Microsoft YaHei';
    margin: 10px 0;
    padding: 0;
}
div {
    font-family:'Microsoft YaHei';
}
h1#dowebok,
h3#dowebok-h {
    padding:  0;
    color: #737373; 
    text-shadow: 0px 1px 0px #e5e5ee;
    font-weight: 900;
    font-family:'Microsoft YaHei';
}
h3#dowebok-h {
  padding:10px 0;
  margin: 0 0 10px 0;
  color: #fff;
}
.bg {
    background-image: url('../assets/img/bg2.jpg');
    background-size: cover;
    background-repeat: no-repeat; 
}
.color1 {
    color: #0e9c2e;
}
.p-p {
    font-size: 0.75rem;
    font-family: 'Microsoft YaHei';
    line-height: 18px;
    width: 80%;
    margin: 50px auto 0;
}
#jq22 {
    font-weight: bold;
    text-align: center;
    color: rgb(103, 103, 103);
    font-size: 1rem;
    line-height: 1.5;
    box-shadow: black 0px 0px 0px;
    letter-spacing: 0px;
}
#jq22.animated,
#jq24.animated{
    animation-duration: 1s; 
    animation-delay:1s;-
    animation-iteration-count: 1; 
}
#jq23.animated{
    animation-delay:2s;
    -webkit-animation-delay:2s;
}
#jq24.animated{
    animation-delay:2.5s;
    -webkit-animation-delay:2.5s;
}
#jq25.animated{
    animation-delay:3.5s;
    -webkit-animation-delay:3.5s;
}
.content {
    padding: 0;
}
.txt-center {
    text-align: center;
}
.dn {
    display: none;
}
#first-page, #second-page {
    height: 100%;
}
#first-page {
  padding: 45px 15px 15px 15px;
}
#second-page {
    padding: 15px;
}
#lesson1.animated {
    animation-delay:3s;
    -webkit-animation-delay:3s;
}
#bg-tasks.animated {
    animation-delay:2s;
    -webkit-animation-delay:2s;
}
.letter {
   word-spacing: -1px; letter-spacing: -1px;
   font-size: 0.75rem;
}
.alert-p {
    width: 80%;
    margin: 10px auto 0;
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeeba;
}
.glyphicon-warning-sign {
    margin-right: 3px;
}
@media screen and (max-width: 321px) {
    #first-page, #second-page {
        height: 100%;
        padding: 35px 15px 15px 15px;
    }
    .letter {
       /*word-spacing: -1px; letter-spacing: -1px;*/
       font-size: 14px;
    }
    .p-p {
        font-size: 0.75rem;
        font-family: 'Microsoft YaHei';
        line-height: 18px;
        width: 80%;
        margin: 20px auto 0;
    }
}
.actived {
    border: 1px solid #f1c00a;
}
.lesson {
/*    height: 40px;
    line-height: 40px;*/
    display: inline-block;
    width: 15%;
    background: transparent;
    vertical-align: top;
    /*margin:0 5px 0;*/
}
.lesson-des {
    max-width:84%; 
    display: inline-block;
    line-height: 1;
    vertical-align: top;
}
#submitLesson {
    position: fixed;
    /* bottom: 50px; */
    /* margin: 100px; */
    width: 30%;
    z-index: 5;
    left: 35%;
}
.bg-title {
    width: 80%; margin: 0 auto;
    background: rgba(0,0,0, .2);
}
#bg-tasks {
    background: rgba(255,255,255, .5);
    border-radius: 10px;
    padding: 5px;
}
.bg-select {
    background: rgba(255,255,255, .6);
    border-radius: 10px;
    padding: 5px;
    height: 50px;
    line-height: 50px;
    margin: 10px 0 0 0;
}
.p-sec {
    padding-left: 35px;
}
.modalWin {
    position: fixed;
    top:0;
    left: 0;
    z-index: 100;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0, .5);
    text-align: center;
    padding: 200px 20px 0;
    color: #fff;

}
.glyphicon-chevron-up {
     color: rgba(255,255, 255, 0.9);
}
.back { color: #fff;
      -webkit-animation: arrowDown 1.7s ease-in-out infinite;
     animation: arrowDown 1.7s ease-in-out infinite;
}
@keyframes arrowDown{
    0% {
       -webkit-transform: translateY(0);
            transform: translateY(0);
    }
    50% {
       -webkit-transform: translateY(-5px);
            transform: translateY(-5px);
    }
    100% {
       -webkit-transform: translateY(0);
            transform: translateY(0);
    }
}
/*shape， start*/
    #container-cube {
      width: 40px;
      height: 40px;
      -webkit-perspective:800;
      perspective:800;
      -webkit-perspective-origin:50% 225px;
      perspective-origin:50% 225px;         

    }
    #stage{
      width: 30px;
      height:30px;

      -webkit-transition: -webkit-transform 2s;
              transition: transform 2s;
      -webkit-transform-style: preserve-3d;
      transform-style: preserve-3d;          

    }
    #shape{
      width: 20px;
      height:20px;
      position: relative;
      top: 100px;
      margin:0 auto; 
      transform-style: preserve-3d;
    }
    #shape{
        -webkit-animation: spin 4s infinite linear;
    }
    .plane{
        position: absolute;
        width: 20px;
        height:20px;
        background: #f3c59c;
        border: 1px solid #f7ecec;
        font-size: 10px;
        color:#fff;
        text-align: center;
        line-height: 20px;
        -webkit-transition: -webkit-transform 2s, opacity 2s;
        transition: transform 2s, opacity 2s;
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
      }
      #shape.backface .plane{
        -webkit-backface-visibility: visible;
        backface-visibility: visible;
      }

      .cube>.one{
        opacity: 0.5 ;
        -webkit-transform: scale3d(1.2, 1.2, 1.2) rotateX(90deg) translateZ(10px);
        transform: scale3d(1.2, 1.2, 1.2) rotateX(90deg) translateZ(10px)
      }
      .cube>.two{
        opacity: 0.5 ;
        -webkit-transform: scale3d(1.2, 1.2, 1.2) translateZ(10px);
        transform: scale3d(1.2, 1.2, 1.2) translateZ(10px);
      }
      .cube>.three{
        opacity: 0.5 ;
        -webkit-transform: scale3d(1.2, 1.2, 1.2) rotateY(90deg) translateZ(10px);
        transform: scale3d(1.2, 1.2, 1.2) rotateY(90deg) translateZ(10px);
      }
      .cube > .four{
        opacity: 0.5 ;
        -webkit-transform: scale3d(1.2, 1.2, 1.2) rotateY(180deg) translateZ(10px);
        transform: scale3d(1.2, 1.2, 1.2) rotateY(180deg) translateZ(10px);
      }
      .cube > .five{
        opacity: 0.5 ;
        -webkit-transform: scale3d(1.2, 1.2, 1.2) rotateY(-90deg) translateZ(10px);
        transform: scale3d(1.2, 1.2, 1.2) rotateY(-90deg) translateZ(10px);
      }
      .cube > .six{
        opacity: 0.5 ;
        -webkit-transform: scale3d(1.2, 1.2, 1.2) rotateX(-90deg) translateZ(10px);
        transform: scale3d(1.2, 1.2, 1.2) rotateX(-90deg) translateZ(10px);
      }
    @-webkit-keyframes spin{
      0% {
         -webkit-transform : rotateY(0);
         transform : rotateY(0);
        }
      100% {
        -webkit-transform : rotateY(-360deg);
         transform : rotateY(-360deg);
      }
    }
    @keyframes spin{
       0% {
         -webkit-transform : rotateY(0);
         transform : rotateY(0);
        }
      100% {
        -webkit-transform : rotateY(-360deg);
         transform : rotateY(-360deg);
      }
    }
/*shape end*/


